Let X = the distance you need to find.
Using the Pythagorean Theorem we can solve for x
x = SQRT( 500^2 - 300^2)
x = SQRT (250,000 - 90,000)
x = SQRT(160,000)
x = 400
It is 400 yards
Answer:A
Step-by-step explanation: due to the all being divisible by 4
The solution of the system of linear equations is
,
.
The point of intersection represents the solution found analytically and represents the scenario in which the <em>same</em> quantity of adults and children assisted to both shows.
<h2>Procedure - Determination of the number of people assisting to a movie</h2><h2 /><h3>Construction of the system of equations</h3><h3 />
In this question we need to construct a linear function for the total of people that assisted to the evening show and for the total of people that assisted to the afternoon matinee. The system of equations is described below:
Evening show
(1)
Afternoon matinee
(2)
Where:
- Number of children that assisted.
- Number of adults that assisted.
<h3>Resolution of the system of equations and analysis of the results</h3><h3 />
By algebraic means we find the following result associated with the system of equations:
,

The graphic representation of this system is described in the image attached below.
The point of intersection represents the solution found analytically and represents the scenario in which the <em>same</em> quantity of adults and children assisted to both shows. 
To learn more on systems of linear equations, we kindly invite to check this verified question: brainly.com/question/20379472
Answer:
c
Step-by-step explanation:
If a spherical water tank has a diameter of 10 feet, it will hold approximately 261.66 cubic feet when it is half full. The correct answer is A.